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经营范围
发明名称
Recovery of helium
摘要
申请公布号
US3246449(A)
申请公布日期
1966.04.19
申请号
US19590819033
申请日期
1959.06.09
申请人
UNION CARBIDE CORPORATION
发明人
STERN SILVIU A.;MOHR PAUL H.;GAREIS PAUL J.
分类号
B01D53/22;C01B23/00
主分类号
B01D53/22
代理机构
代理人
主权项
地址
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